20797584327

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61657}}^1$

素因数の和:61741

約数の個数: 48

約数和(自身を含む): 34286780640

約数和(自身を除く): 13489196313

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 961, 1209, 2883, 3627, 8649, 10881, 12493, 25947, 37479, 61657, 112437, 184971, 337311, 554913, 801541, 1664739, 1911367, 2404623, 5734101, 7213869, 17202303, 21641607, 24847771, 51606909, 59252377, 74543313, 177757131, 223629939, 533271393, 670889817, 770280901, 1599814179, 2310842703, 6932528109, 20797584327]

約数ペア:

[(1, 20797584327), (3, 6932528109), (9, 2310842703), (13, 1599814179), (27, 770280901), (31, 670889817), (39, 533271393), (93, 223629939), (117, 177757131), (279, 74543313), (351, 59252377), (403, 51606909), (837, 24847771), (961, 21641607), (1209, 17202303), (2883, 7213869), (3627, 5734101), (8649, 2404623), (10881, 1911367), (12493, 1664739), (25947, 801541), (37479, 554913), (61657, 337311), (112437, 184971)]